We celebrate the birth of Christ per annum
Our charity raises about $5,000 per annum.
"Per Orate" is not one word and there is no such thing.
This area has more elementary schools, per capita.
You would usually use the term 'per'. For instance, 10 miles per hour, or 20% per annum.
31,500 Kwh (UK) per annum
Can you use the word concluding in a sentence? Done.
You can use the word Truss in a sentence like this.
I am feeling crazy today with my automobile going 90miles per hour.
Just use it! Or do you mean, can you use the word beheld in a sentence.
How do you use the word decibel in a sentence?What is decibel used for?
Since that is not a word I would not attempt to use it in a sentence.
You just did use the word colonize in a sentence.